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The graph below shows the power consumption for various sensor module's lengths, in active and idle mode. In active mode, the scanning frequency is set to 100 Hz, and one object is presented in active area. In idle mode the scanning frequency is set to 33 Hz, with a clean active area. With higher scanning frequency or more detected objects, the power consumption might be slightly higher than the values in the graph. The sensor module will only be in active mode when a touch object is being detected or tracked.
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The power consumption is about the same for USB/HID and I2C. The power consumption will vary with different sensor parameter configurations. The graph above is valid for a default sensor parameter configuration. By increasing the scanning range from default, the power consumption will increaseFrom firmware version 1.49 and higher, the sensor module types NNAMC3460PC01 and NNAMC3461PC01 are provided with Extended Range, and their power consumption increases 30% in both USB active mode and USB idle mode. The power consumption for module types shorter than 237 mm is not affected by Extended Range.
Definition
The power consumption is calculated from the current consumption when supplying the sensor module with 5 V.
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